Physics Fundamentals Quiz

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Questions and Answers

What is the major external force that accelerates the body?

  • Reaction supplied by the ground
  • Ground reaction force (correct)
  • Passive force
  • Fist fighting

Which force is the only external force one can voluntarily control?

  • Passive force
  • Weight (correct)
  • Ground reaction force
  • Fist fighting

What is the law that states all bodies are attracted to one another due to their masses?

  • Law of acceleration
  • Law of inertia
  • Newton's first law
  • Law of gravitation (correct)

What is the gravitational constant denoted by the letter 'G'?

<p>6.672 × 10^-11 N × m^2 / kg^2 (D)</p> Signup and view all the answers

What is weight exerted to a body by the earth due to gravity?

<p>Fg (B)</p> Signup and view all the answers

What is the formula to calculate the gravitational force between two bodies?

<p>Fg = G × (m1 * m2) / d^2 (B)</p> Signup and view all the answers

In the context of human motion, what is the significance of the ground reaction force?

<p>It is the major external force that accelerates the body (A)</p> Signup and view all the answers

What type of strike in running is associated with the 'propulsion peak'?

<p>Midfoot-strike (B)</p> Signup and view all the answers

What is the law that states all bodies are attracted to one another due to their masses?

<p>Law of gravitation (B)</p> Signup and view all the answers

What is the only external force one can voluntarily control in the context of human motion?

<p>Weight (B)</p> Signup and view all the answers

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